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800047040 = 26513192319
BaseRepresentation
bin101111101011111…
…011111111000000
32001202102121012212
4233223323333000
53114303001130
6211215441252
725553200442
oct5753737700
92052377185
10800047040
11380673201
121a3b26228
13c999b420
147837c492
154a385e95
hex2fafbfc0

800047040 has 56 divisors (see below), whose sum is σ = 2051669760. Its totient is φ = 295400448.

The previous prime is 800047033. The next prime is 800047049. The reversal of 800047040 is 40740008.

It is a junction number, because it is equal to n+sod(n) for n = 800046997 and 800047015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800047049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92000 + ... + 100319.

It is an arithmetic number, because the mean of its divisors is an integer number (36636960).

Almost surely, 2800047040 is an apocalyptic number.

800047040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

800047040 is an abundant number, since it is smaller than the sum of its proper divisors (1251622720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

800047040 is a wasteful number, since it uses less digits than its factorization.

800047040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192349 (or 192339 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 800047040 is about 28285.1027928130. The cubic root of 800047040 is about 928.3359613942.

Adding to 800047040 its reverse (40740008), we get a palindrome (840787048).

The spelling of 800047040 in words is "eight hundred million, forty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 130 160 208 260 320 416 520 832 1040 2080 4160 192319 384638 769276 961595 1538552 1923190 2500147 3077104 3846380 5000294 6154208 7692760 10000588 12308416 12500735 15385520 20001176 25001470 30771040 40002352 50002940 61542080 80004704 100005880 160009408 200011760 400023520 800047040